// 定义ModbusSession抽象类
 export class Worktime {
	
	private static instance : Worktime;
	
	// 单例对象
	public static getInstance() : Worktime {
		if (!Worktime.instance) {
			Worktime.instance = new Worktime();
		}
		return Worktime.instance;
	}
	public setWorktime(){
		

	}
	
	
}